Brazilian Dev
@braziliandev
Senior Backend Engineer building cloud-native Node.js/TypeScript systems and AI-driven automation.
What I'm looking for
I’m a Senior Backend Engineer with 8+ years of experience building production-grade backend systems using Node.js and TypeScript. I’ve delivered scalable APIs and microservices in high-availability environments, with a strong focus on performance, maintainability, and reliable operations.
Across my roles, I’ve led architecture and execution as Tech Lead—guiding multi-disciplinary teams across Frontend, BFF, and API layers. I’m comfortable designing microservices and BFF systems, applying hexagonal architecture, and implementing event-driven systems with clean boundaries and well-documented REST APIs and gRPC services.
Technically, I work end-to-end—from persistence and caching (PostgreSQL, MySQL, MongoDB, Redis) to cloud infrastructure and messaging (AWS: SQS, SNS, Lambda, S3, DynamoDB; Azure: Service Bus). I build and validate containerized deployments with Docker, CI/CD, Jenkins, and Kubernetes, while using Jest/Chai, Playwright (E2E), Postman, and Swagger to ensure quality.
I also bring applied AI integration to backend workflows. I’ve implemented LLM API integrations (OpenAI) and built AI-driven workflow automation using n8n, including workflow orchestration with prompt/context engineering and custom connectors—thriving in high-autonomy, fully remote environments across time zones.
Experience
Work history, roles, and key accomplishments
Senior Backend Engineer
Tivit
May 2025 - May 2026 (1 year)
Designed and maintained scalable, high-availability backend APIs using Node.js and TypeScript. Managed persistence and caching with PostgreSQL and Redis, automated workflows with Playwright, and standardized deployments with Docker.
Tech Lead / Senior Backend Engineer
Avanade
Jan 2021 - May 2025 (4 years 4 months)
Led a multi-disciplinary team through a full rebuild of an educational platform’s core with NestJS BFF architecture based on hexagonal principles. Built microservices and BFFs with gRPC and Swagger, implemented event-driven communication with Azure Service Bus, and supported Kubernetes deployments and CI/CD; also migrated workflow automation to n8n with custom connectors.
Full Stack Developer
iBlue Consulting (Brasilcap)
Oct 2019 - Jan 2021 (1 year 3 months)
Developed and maintained RESTful APIs with Node.js and Express.js, integrating AWS services (SQS, SNS, Lambda, S3, DynamoDB) for asynchronous communication and automation. Monitored deployments and bugs with CloudWatch and Jenkins, and built an Angular 2+ frontend.
Web Development Analyst
Versatil
Jan 2019 - Oct 2019 (9 months)
Built and maintained a business reports application using Node.js and Express.js, and developed a reporting platform with Angular 2+ and Express.js. Managed SQL Server database procedures, reports, and schema updates.
Education
Degrees, certifications, and relevant coursework
Centro Universitário Carioca
Higher Education Degree in Analysis and Systems Development, Analysis and Systems Development
2016 - 2019
Higher Education Degree in Analysis and Systems Development at Centro Universitário Carioca from 2016 to 2019.
Centro Universitário Carioca
Technical Degree in Digital Games Programming, Digital Games Programming
2014 - 2015
Technical Degree in Digital Games Programming at Centro Universitário Carioca from 2014 to 2015.
Availability
Location
Authorized to work in
Website
pauloraoni.devJob categories
Skills
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